50 AECTIID^:. 



thorax. Primaries below dark brown; two spots in the cell and an arched series beyond it 

 \\ Iiitish : secondaries as above. Body dark brown ; proximal end of trochanters orange. 

 Expanse of wings 1 inch 8 Unes. 

 Para (Smith) . 



Eucereon inarmoratum, n. sp. (Plate XVI. fig. 4.) 



General aspect of E. setosa. Primaries whity brown, becoming slightly darker towards 

 apex; veins black-brown; two central dentate-sinuate lines, opposed to each other and 

 diverging towards the costa, partially obscured by a large diffused V-shaped marking across 

 the end of the cell; an interno-median basal streak and a series of discal hastate markings 

 black-brown ; two bifid whitish subapical spots, placed obliquely : secondaries hyaline white, 

 with a broad black border. Head and thorax pale brown ; frons, antenna;, margins of 

 thorax, collar and tegulae, and a central line, black-brown ; back of head ochreous ; mctathorax 

 yellowish behind ; abdomen black-brown, shot with blue, the sides and three subterminal 

 segments ochreous. Primaries below brown, a spot near the end of the cell and two subapical, 

 as above, white. Body dark brown; pectus with lateral whitish tufts; collar, trochanters, 

 and a large patch at base of venter ochraceous ; proximal end of hind femora and distal end 

 of tibiae white. Expanse of wings 1 inch 8 lines. 



" Pupunhazinho/' Ilio Junta; taken November 8, 1874 (J. W. H. Trail). 



P. marmoratum seems to be a common species. Mr. Trail took it in the following addi- 

 tional localities : — Imla, below the Rapids of Porteira, Rio Trombetas, March 1 ; Rio Negro, 

 June 14; at Ayrilo, July 3; near Amman, Rio Purus, September 5 ; Guajara, September (i 

 and 7 ; Pedroso, September 25 ; Mamiva, September 28 ; Mabidiry, September 30 ; Mouth 

 of Rio Sapo, October 13 ; Curimata, Rio Jurua, October 30 ; Pupuuha, November 1 and 5. 



Eucereon coinplicatuin, n. sp. (Plate XVI. fig. 12.) 



Nearly allied to E. marmoratum, but the wings paler, and the central transverse lines of 

 primaries approaching each other at both extremities ; nearly the whole of the venter creamy 

 ochreous. Expanse of wings 1 inch 9 lines. 



Rio Jurua, October 2(5, 1874 [J. W. H. Trail). 



Eucereon reticulatum, n. sp. (Plate XVII. fig. 9.) 



Primaries, head, and thorax dark In-own, reticulated with pale greyish brown or, more 

 strictly Bpeaking, pale greyish brown covered witli dark brown spots : costal area of primaries 

 pale brown, interrupted a1 equal distances by blackish spots; outer border pale brown, with 

 a row of submarginal black spots; a while dot in the cell, two beyond it, one on interno- 

 median area, and one (cut by the second median branch) on outer border: secondaries dark 

 brown, outer border blackish : abdomen deep rose-red, anal segment black tipped with white. 

 Wings below dark brown ; primaries with a small spot in the cell, a bifid spot beyond it, 

 another on outer margin, the fringe at apical and external angles, white ; pectus sordid 



